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8:30 a.m. On bar-visibility graphs. Joan P Hutchinson*, Macalester College
(989-05-129)
9:00 a.m. On unit bar-visibility graphs. Alice M Dean, Skidmore College
Ellen Gethner*, University of Colorado at Denver
Joan P Hutchinson, Macalester College
(989-05-130)
9:30 a.m. Several Characterizations for Unit Interval Bigraphs. David E. Brown*, University of Colorado at Denver
Richard Lundgren, University of Colorado at Denver
(989-05-156)
10:00 a.m. Interval k-graphs and related partial orders. Stephen Carl Flink*, University of Colorado at Denver
(989-05-227)
10:30 a.m. Quadrangular Tournaments and Orthogonal Matrices. Dustin J. Stewart*, University of Colorado at Denver
(989-05-225)
8:30 a.m. Extensions and Rank-$2$ Vector Bundles on Irreducible Nodal Curves. Daniele Arcara*, University of Utah
(989-14-251)
9:00 a.m. New bounds on Seshadri constants and nef divisors. Brian Harbourne*, University of Nebraska-Lincoln
Joaquim Ro\'e, Universitat Auton\`oma de Barcelona
(989-14-83)
9:30 a.m. Multigraded Castelnuovo-Mumford Regularity. Diane Maclagan*, Stanford University
(989-14-249)
10:00 a.m. Discussion
10:30 a.m. Kaehler Solvmanifolds and a conjecture of Benson and Gordon. Donu Arapura*, Purdue University
(989-32-167)
9:00 a.m. Congruence Lattices of Finite Algebras John W Snow*, Concordia University, Nebraska
(989-08-36)
9:30 a.m. Homotopy groups of digraphs and {\bf NP}-complete retraction problems. Benoit Larose*, Concordia University, Montr\'eal, Canada
(989-06-29)
10:00 a.m. Break
10:30 a.m. Whaley's Theorem for Finite Lattices. Ralph Freese, University of Hawaii
Jennifer Hyndman*, University of Northern British Columbia
J B Nation, University of Hawaii
(989-06-45)
9:00 a.m. Cyclic caps of more than $3q^2$ points in $AG(4,q)$ in characteristic $2.$. Juergen Bierbrauer*, Michigan Technological University
(989-51-148)
9:30 a.m. Algebraic Constructions of Low-Density Parity Check Codes. Matthew T Koetz*, University of Nebraska, Lincoln
(989-11-164)
10:00 a.m. Applications of Algebraic Number Theory in Multi-antenna Wireless Communications. Pranav Dayal*, University of Colorado, Boulder.
Mahesh K Varanasi, University of Colorado, Boulder.
(989-94-259)
10:30 a.m. On Space-Time Coding and the Diophantine Approximation Theory. Hesham El Gamal*, The Ohio State University
Mohamed Oussama Damen, University of Alberta
(989-11-256)
9:00 a.m. The Inverse Problem of Lagrangian Mechanics for the Canonical Lie Group Spray. Gerard Thompson*, University of Toledo
Ryad A Ghanam, University of Pittsburgh at Greensburgh
(989-53-245)
10:00 a.m. Some general observations regarding symmetry reduction of EDS. Ian M Anderson*, Utah State University
(989-53-226)
9:00 a.m. Synchronous Oscillations and a Route to Chaos in the LPA Model. Jim Cushing*, University of Arizona
(989-92-99)
9:30 a.m. Predicting Irregularities in Population Cycles. Shandelle M. Henson*, Andrews University
(989-92-106)
10:00 a.m. Extinction Effect of Parasites on Host Populations. Yang Kuang*, Arizona State University
(989-92-91)
10:30 a.m. Disease induced oscillations between two competing species. Pauline van den Driessche, University of Victoria
Mary Lou Zeeman*, University of Texas at San Antonio
(989-92-199)
9:00 a.m. On Mueller's question. P N Anh*, R\'enyi Institute, Hungary
D Herbera, Universidad Autonoma de Barcelona, Spain
(989-16-131)
9:30 a.m. Actions of finite groups on smooth projective schemes. Frauke M. Bleher*, University of Iowa
Ted Chinburg, University of Pennsylvania
(989-16-119)
10:00 a.m. Ring epimorphisms and $C(X)$. Michael Barr, McGill University
W.D. Burgess*, University of Ottawa
R. Raphael, Concordia University
(989-13-79)
10:30 a.m. Linear Compactness in Cotilting Dualities. Riccardo Colpi*, Dept. of Mathematics, University of Padova, ITALY
(989-16-75)
9:00 a.m. Eggs in $\mathrm{PG}(4n-1,q)$, $q$ even, containing a pseudo pointed conic. Matthew R Brown*, University of Adelaide, Australia
Michel Lavrauw, Universita degli studi di Napoli Federico II
(989-51-204)
9:30 a.m. Generalized quadrangles and their analogues via coherent configurations. Mikhail H. Klin*, University of Delaware, Newark and Ben-Gurion University of the Negev, Beer Sheva
Sven Reichard, University of Delaware, Newark
(989-05-212)
10:00 a.m. Elation Points in Generalized Quadrangles. Koen J. R. Thas*, Ghent University
(989-51-126)
10:30 a.m. Characterizations of finite translation generalized quadrangles. Joseph A Thas*, Ghent University (Belgium)
(989-51-125)
9:00 a.m. Poisson brackets on meromorphic functions on hyperelliptic Riemann surfaces and 1D integrable hierarchies. K. Vaninsky*, Michigan State University
(989-34-231)
9:30 a.m. A generalized Dirichlet to Neumann map for integrable evolution equations. B. Pelloni*, Reading University, UK
(989-35-233)
10:00 a.m. Resonant solutions of the KP equation and the Toda lattice hierarchy. G. Biondini*, Ohio State University
(989-35-232)
9:00 a.m. A graph-theoretic approach to separation of y- and b-ions from tandem mass spectrometry data and applications to de novo sequencing. Chongle Pan, University of Tennessee
Bo Yan, Oak Ridge National Laboratory
Victor Olman, Oak Ridge National Laboratory
Ying Xu*, Oak Ridge National Laboratory
(989-68-80)
10:00 a.m. The Topology of DNA. De Witt L Sumners*, Florida State University
(989-92-27)
2:30 p.m. Quasivarieties of commutative binary modes. Anna B Romanowska*, Warsaw University of Technology, Warsaw, Poland
K Matczak, Warsaw University of Technology, Warsaw, Poland
(989-08-15)
3:00 p.m. The Dilworth Theorem on embedding lattices into uniquely complemented lattices. George Gratzer*, University of Manitoba
Harry Lakser, University of Manitoba
(989-06-08)
4:00 p.m. Ordered and quasi ordered sets associated with transformation semigroups. Boris M Schein*, University of Arkansas
(989-06-21)
4:30 p.m. Dualities for double quasioperator algebras. M Gehrke*, New Mexico State University
H A Priestley, Oxford University
(989-06-24)
2:30 p.m. Minimal Degree Liftings of Hyperelliptic Curves. Luis R Finotti*, University of California Santa Barbara
(989-11-100)
3:00 p.m. Weierstrass semigroups and codes from a class of maximal non-classical curves. Gretchen L. Matthews*, Clemson University
(989-14-162)
3:30 p.m. An Improvement of the Feng-Rao Bound on Minimum Distance. Diana Dunn, University of Arkansas
Sarah B. Graham, Clemson University
Gary Salazar*, Trinity University
(989-14-161)
4:00 p.m. Discussion
4:30 p.m. Algebraic Geometric Codes on Low Rank Surfaces. Marcos A Zarzar*, University of Texas at Austin
(989-11-179)
2:30 p.m. Self-dual SU(2) connections, and flows of metrics on $M^3$. Volodya Itskov*, Duke University
(989-53-258)
3:30 p.m. Sub-Finsler Geometry in Dimension Three. Jeanne N Clelland, University of Colorado at Boulder
Christopher G Moseley*, United States Military Academy
(989-53-198)
4:00 p.m. Generalized Symmetries of Darboux Integrable Equations. Matt Biesecker*, South Dakota State University
(989-35-238)
4:30 p.m. Darboux Integrability and Backlund Equivalence for Hyperbolic Exterior Differential Systems. Thomas A Ivey*, College of Charleston
(989-35-151)
2:30 p.m. The Dixmier-Douady class of groupoid crossed products. Paul S Muhly, The University of Iowa
Dana P Williams*, Dartmouth College
(989-46-39)
3:00 p.m. C*-algebras of commuting endomorphisms. Valentin Deaconu*, University of Nevada, Reno
(989-46-189)
3:30 p.m. Actions and Coactions for groupoids. Karla J. Oty*, Colorado State University- Pueblo
Arlan Ramsay, University of Colorado, Boulder
(989-20-94)
4:00 p.m. Actions and Coactions for Groupoids, II. Arlan Ramsay*, University of Colorado
Karla J. Oty, Colorado State University - Pueblo
(989-20-95)
3:00 p.m. Loop spaces via algebraic theories. Bernard Badzioch*, University of Minnesota
Kuerak Chung, University of Minnesota
Alexander A. Voronov, University of Minnesota
(989-55-214)
3:30 p.m. Little cubes and long knots. Ryan D Budney*, University of Rochester
(989-00-155)
4:00 p.m. $\text{Sq}^0$ and the Adams $E_2$-term. John H Palmieri*, University of Washington
(989-55-178)
2:30 p.m. Competitive Exclusion and Coexistence Results for a Nonlinear Size-Structured Population Model. Azmy S Ackleh*, University of Louisiana at Lafayette
Keng Deng, University of Louisianal at Lafayette
(989-92-88)
3:00 p.m. Age-Hierarchical Competitions and the Effects of Dispersion. K. W. Blayneh*, Florida A&M University
(989-92-137)
3:30 p.m. Effects of host chronic-age structure on the dynamics of infectious diseases. Maia Martcheva*, University of Florida
Carlos Castillo-Chavez, Cornell University
(989-92-98)
4:00 p.m. The most basic stage-structured population model with density-dependent per capita transition rate. Horst R Thieme*, Arizona State University
(989-92-78)
2:30 p.m. On graph irregularity strength. A. Frieze, Carnegie Mellon University
R. Gould*, Emory University
M. Karonski, Emory University
F. Pfender, Technical University of Berlin
(989-05-55)
3:00 p.m. The pebbling threshold of squared cliques and a conjecture of Graham. Glenn H Hurlbert*, Arizona State University
Airat Bekmetjev, Hope College
(989-05-50)
3:30 p.m. Chessboard Problems. John J Watkins*, Colorado College
(989-05-74)
4:00 p.m. A bound on the total size of a cutcover. Andre Kundgen*, Cal State San Marcos
Megan Spangler, Cal State San Marcos
(989-05-147)
4:30 p.m. Covering Euclidean $n$-space by translates of a convex body. Zoltan Furedi, University of Illinois at Urbana-Champaign, and Hungarian Academy of Sciences
Jeong-Hyun Kang*, University of Illinois at Urbana-Champaign
(989-05-200)
2:30 p.m. Zero Divisor Graphs. Frank DeMeyer*, Colorado state University
Lisa DeMeyer, Central Michigan University
(989-13-40)
3:00 p.m. Quivers of Locally Artinian Rings. Jennifer A. Firkins Nordstrom*, Linfield College
(989-16-132)
3:30 p.m. $n$-Cotilting and $n$-Tilting Modules over Ring Extensions. Alberto Tonolo*, University of Padova, Italy
(989-18-81)
4:00 p.m. Quasi-Koszul Algebras. Yuriy Drozd, Kyiv Taras Shevchenko University
Edward L Green*, Virginia Tech
(989-16-108)
4:30 p.m. Stacks of finite dimensional algebras and their homology. Nancy Heinschel, University of California at Santa Barbara
Birge Huisgen-Zimmermann*, University of California at Santa Barbara
(989-16-122)
2:30 p.m. A lemma on the higher integrability of functions and its applications. Xiao Zhong*, Department of Mathematics and Statistics, University of Jyv\"askyl\"a
(989-49-114)
3:00 p.m. Size of Fatou Sets for Bounded p-Harmonic Functions in the Half Plane (joint work with R. Kaufman). Jang-Mei Wu*, University of Illinois
Robert Kaufman, University of Illinois
(989-31-143)
3:30 p.m. Bilipschitz Embeddings of Metric Spaces in Euclidean Space. Conrad P Plaut*, University of Tennessee
(989-53-237)
4:00 p.m. Hausdorff dimensions of Heisenberg fractals. Zoltan M Balogh, University of Berne
Regula Hofer-Isenegger, University of Berne
Jeremy T Tyson*, University of Illinois
(989-28-239)
4:30 p.m. Mappings of finite distortion: The sharp modulus of continuity. Jani Onninen*, University of Michigan
Pekka Koskela, University of Jyvaskyla
(989-30-252)
2:30 p.m. Degenerations of vector bundles on three space. A. Prabhakar Rao*, UM-St.Louis
(989-14-242)
3:00 p.m. Discussion
3:30 p.m. A rational surface of degree 12 in projective fourspace. Hirotachi Abo*, Department of Mathematics, Colorado State University
(989-14-190)
4:00 p.m. Families of degree two curves and certain ropes. Uwe Nagel*, University of Kentucky
Roberto Notari, Politecnico di Torino
Maria L Spreafico, Politecnico di Torino
(989-14-216)
4:30 p.m. Linear series on a special rational surface. Hal Schenck*, Texas A&M University
(989-14-186)
2:30 p.m. Nonlinear dynamics with matter waves - experiments with Bose-Einstein condensates. P. W. Engels*, University of Colorado, Boulder
(989-35-234)
3:00 p.m. Turning fermions into bosons. D. S. Jin*, University of Colorado, Boulder
(989-35-235)
3:30 p.m. Nonlinear Waves in BEC: A Collection of Short Stories. P. G. Kevrekidis*, University of Massachusetts
(989-35-244)
4:00 p.m. Self-Trapping of Light in a Two-Dimensional Nonlinear Periodic Structure. Z. Musslimani*, Central Florida University
(989-35-246)
4:30 p.m. Dynamics of periodic multi-component Bose-Einstein condensates. B. Deconinck*, University of Washington
(989-35-247)
2:30 p.m. A heat kernel associated to Ramanujan's tau function. Jeffrey Stopple*, Mathematics, UCSB
(989-11-229)
3:00 p.m. Comparison of the Heat Kernel for Finite Graphs and that for Compact Riemann Surfaces. Audrey A. Terras*, Univ. of California at San Diego
(989-11-207)
3:30 p.m. Kato's inequality for discrete magnetic Laplacians. J. Dodziuk*, Queens College (CUNY)
V. Mathai, University of Adelaide
(989-58-165)
2:30 p.m. Conjugate Direction Methods in Linear Topological Spaces. Ivie Stein, Jr.*, The University of Toledo
(989-65-153)
2:45 p.m. On the Direct Product of Measures and Applications. Carmen Vlad*, Pace University
(989-28-42)
3:00 p.m. The Hamming Distance between Two Uniform Set Systems. Junichiro Fukuyama, Dr.*, Indiana State University
(989-05-20)
3:15 p.m. Optimality Condition In Optimization Network Tasks. Seilkhan Boranbayev*, Milwaukee, WI
(989-05-23)
3:30 p.m. Rational jet dependence of formal equivalences between real-analytic hypersurfaces in $\mathbb{C}^2$. R. Travis Kowalski*, Colorado College
(989-32-273)
3:45 p.m. Structure of associated prime ideals of differential operator rings. Vijay Kumar Bhat, Dr.*, Banasthali VidyapithRajasthan-304022.India.
(989-16-10)